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            <h1 class="sub_title">Invalid While Type</h1>

            <p>A while statment is saying "While 'a', do 'b'".  If a is not
            formed correctly, then it will be an error.  'a' must have open and
            closed brackets, as well as a boolean statement inside.</p>

            <h1 class="special">Code:</h1>
            <pre class="code">
define main {

while (a + 5) {
}
# This will cause an error as a + 5 does not return a boolean value

}</pre>
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